//package com.sll.hosptials.config;
//
//import org.springframework.core.annotation.Order;
//import org.springframework.stereotype.Component;
//
//
//import javax.servlet.*;
//import javax.servlet.annotation.WebFilter;
//import javax.servlet.http.HttpServletResponse;
//import java.io.IOException;
//
//@Component
//@WebFilter("/*")
//@Order(1)
//public class CrossFilter implements Filter {
//    public CrossFilter(){
//        System.err.println(5);
//    }
//    @Override
//    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
//        HttpServletResponse response = (HttpServletResponse)servletResponse;
//        response.setHeader("Access-Control-Allow-Origin", "*");
//        response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
//        response.setHeader("Access-Control-Max-Age", "3600");
//        response.setHeader("Access-Control-Allow-Headers", "x-requested-with,bbtoken,appv");
//        //注意最后一定要放行
//        filterChain.doFilter(servletRequest, response);
//    }
//}